package com.shuailee.controller;

import com.shuailee.model.Article;
import freemarker.template.Configuration;
import freemarker.template.Template;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;


import javax.servlet.http.HttpServletRequest;
import java.io.File;
import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/*页面开发*/
@Controller
public class HomeController {
    @RequestMapping("/index")
    @CrossOrigin(origins = "*", maxAge = 3600)
    public String index() {
        return "index";
    }

    /*
    *  FreeMarke渲染页面
    * */
    @RequestMapping("/articles")
    public String articles(Map<String, Object> map){
        map.put("name", "Joe");
        map.put("sex", 1);
        // 模拟数据
        List<Map<String, Object>> friends = new ArrayList<Map<String, Object>>();
        Map<String, Object> friend = new HashMap<String, Object>();
        friend.put("name", "xbq");
        friend.put("age", 22);
        friends.add(friend);
        friend = new HashMap<String, Object>();
        friend.put("name", "July");
        friend.put("age", 18);
        friends.add(friend);
        map.put("friends", friends);
        return "articles";
    }

    @RequestMapping("/welcome")
    public String welcome(Map<String, Object> map){
        map.put("message", "hello wold");
        return "welcome";
    }


    /**
     *
     *  文件上传
     *
     * */



    @RequestMapping("/fileUpload")
    @ResponseBody
    public String upload(@RequestParam("fileName") MultipartFile file){
        if(file.isEmpty()){
            return "false";
        }
        String fileName = file.getOriginalFilename();
        int size = (int) file.getSize();
        System.out.println(fileName + "-->" + size);

        String path = "F:/test" ;
        File dest = new File(path + "/" + fileName);
        if(!dest.getParentFile().exists()){ //判断文件父目录是否存在
            dest.getParentFile().mkdir();
        }
        try {
            file.transferTo(dest); //保存文件
            return "true";
        } catch (IllegalStateException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return "false";
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return "false";
        }
    }


    /**
     * 实现多文件上传
     * */
    @RequestMapping(value="multifileUpload",method= RequestMethod.POST)
    public @ResponseBody String multifileUpload(HttpServletRequest request){

        List<MultipartFile> files = ((MultipartHttpServletRequest)request).getFiles("fileName");

        if(files.isEmpty()){
            return "false";
        }

        String path = "F:/test" ;

        for(MultipartFile file:files){
            String fileName = file.getOriginalFilename();
            int size = (int) file.getSize();
            System.out.println(fileName + "-->" + size);

            if(file.isEmpty()){
                return "false";
            }else{
                File dest = new File(path + "/" + fileName);
                if(!dest.getParentFile().exists()){ //判断文件父目录是否存在
                    dest.getParentFile().mkdir();
                }
                try {
                    file.transferTo(dest);
                }catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                    return "false";
                }
            }
        }
        return "true";
    }

}
